Structure 999943501052341 · Wyandotte County, KS

I-435 HWY SB over Up Railroad

Carries I-435 HWY SB over Up Railroad, 0.37 Mi N/e K5.

Overall conditionFair

Set by its lowest-rated component: Substructure at 6 of 9.

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT438 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

438 ft end to end, longest span 108 ft: about 6 semi-trucks nose to tail. Lengths and the semi-truck on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a multi-beam bridge.

Built198541 years old
Length438.0 ft133.5 m
Daily traffic19,350counted 2023
Last inspectedJune 2023every 24 months

Location

StateKansas
CountyWyandotte
Location0.37 Mi N/e K5
CarriesI-435 HWY SB
CrossesUp Railroad
Coordinates39.18333, -94.79417

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length438.0 ft (133.5 m)
Max Span107.9 ft (32.9 m)
Deck Width66.6 ft (20.3 m)
Deck Area2710.1 sq m
Main Spans5
Year Built1985

Traffic

Avg Daily Traffic19,350 (2023)
Truck Traffic10%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last InspectionJune 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number999943501052341

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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